Table 7.
Carcass characteristics of Nellore bulls finished on tropical pasture and fed a Bacillus-based probiotic
| Treatments* | SEM1 | P – value2 | ||
|---|---|---|---|---|
| Control | Probiotic | Treatment | ||
| Hot carcass weight, kg | 320.32 | 318.61 | 4.176 | 0.70 |
| Dressing, % | 52.65 | 53.88 | 0.751 | 0.30 |
| Longissimus muscle area, cm2 | ||||
| Initial | 58.94 | 60.95 | 2.293 | 0.49 |
| Final | 73.07 | 69.13 | 2.408 | 0.10 |
| Gain | 0.117 | 0.082 | 0.022 | 0.10 |
| Subcutaneous fat thickness, mm | ||||
| Initial | 2.72 | 2.76 | 0.334 | 0.92 |
| Final | 6.27 | 6.02 | 0.322 | 0.59 |
| Gain | 0.031 | 0.029 | 0.0031 | 0.59 |
| P8 fat thickness, mm | ||||
| Initial | 3.10 | 3.23 | 0.250 | 0.71 |
| Final | 7.49 | 6.47 | 0.347 | 0.05 |
| Gain | 0.039 | 0.029 | 0.0031 | 0.05 |
| Marbling, % | ||||
| Initial | 3.91 | 4.18 | 0.152 | 0.22 |
| Final | 6.03 | 5.60 | 0.299 | 0.30 |
*CON; energy-protein supplement without any additive (n = 14) - Probiotic; energy-protein supplement containing 2 g of probiotic/animal per day (n = 14). The probiotic was composed of Bacillus licheniformis and Bacillus subtilis (6.4 × 10⁹ CFU/g). 1Standard error of mean;2 P-value; The significance level was set at P ≤ 0.05, and 0.05 < P ≤ 0.10 was considered a tendency